Air must pass from the back to the front of the pharynx to enter the trachea and food must pass from the front to the back of the esophagus
The correct answer is mRNA.
mRNA or messenger RNA is synthesized during the process of transcription, from DNA molecule which is used as a template. mRNA contains information about protein synthesis (translation) in the form of nucleotide triplets or codons.
In the example above: reference book is DNA molecule (template for copies), copies are mRNA, wood is amino acids (building blocks) and doghouse is protein.
Your white blood cells will attack your heathly cells because they are confused
Gene therapy is replacing defected genes with new ones, the goal is to be able to cure some diseases caused by defected genes or make them better
